Need ! giving 60 points! brian and chris went together to target to find party favors for a birthday party they are throwing together. brian found 4 items that cost the same amount. chris bought 3 items that each cost $2.50 more than brian’s items each cost. brian and chris both paid the same amount of money. what was the individual cost of each person's items? (a) write an equation. let x represent the cost of one of brian's items. (b) solve the equation. show your work. (c) check your solution. show your work. (d) state the solution in complete sentences.